Finding the Fourth Proportional to 1,357.37, 1,871.62 and 914.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357.37 : 1,871.62 = 914.50 : x
2. Step 2: Convert to fraction form
   1,357.37/1,871.62 = 914.50/x
3. Step 3: Cross multiply
   1,357.37x = 1,871.62 × 914.50
4. Step 4: Simplify right side
   1,357.37x = 1,711,596.49
5. Step 5: Solve for x
   x = 1,711,596.49/1,357.37
6. Step 6: Final answer
   x = 1,260.97